for sim error please download- http://acc.moittry.com/dialerapps/

1. after install if shows initializing, then off location service, then close dialer and reopen, it will register instantly. 

2. for sim error you can use any sim active or inactive to work with any dialer.

3. from BD sim itel latest dialer will now work for government regulation.

--Please use internet explorer to create new pin, Google chrome having technical problem-thanks

***Direct download Link  mid.apk 

mid.moittry.com Platinum Dialers for Android
      -Itel Platinum Android -  GooglePlay   

M Dialer for iPhone
       -Itel Express (Operator Code 87702)  -install or i store
M Dialer for windows phone
       -Itel Express (operator Code 87702)  -install or Microsoft Store

-Other Link for All

-Download and information  http://moittry.com/downloads